| bifidobacterium aesculapii | species | | | species | 1329411 |
| bifidobacterium callitrichos | no rank | bacteria | bacteria | species | 762209 |
| bifidobacterium callitrichos dsm 23973 | no rank | | | no rank | 1437609 |
| bifidobacterium hapali | species | | | species | 1630172 |
| bifidobacterium myosotis | species | | | species | 1630166 |
| bifidobacterium reuteri | no rank | bacteria | bacteria | species | 983706 |
| bifidobacterium reuteri dsm 23975 | no rank | | | no rank | 1437610 |
| bifidobacterium sp. | no rank | bacteria | bacteria | species | 41200 |
| bifidobacterium sp. mrm 5.21 | no rank | | | species | 1630163 |
| bifidobacterium sp. mrm 5.22 | no rank | | | species | 1630164 |